Reviews around the internet seem to be fairly positive, though many seem dissapointed that it isn't as action oriented as you might expect from a Jackie Chan film.
From Impact magazine:
...this is a light hearted action comedy, it does feature some very nice action and stunt sequences but the majority of the film is comedy...Read the full review here.
Chan delivers an entertaining light hearted performance and its good to see him having fun again on screen...
Below is the 3rd trailer, to save you having to navigate the utterly bizzarre official site.